[XFS] clean up vnode/inode tracing

Simplify vnode tracing calls by embedding function name & return addr in
the calling macro.

Also do a lot of vnode->inode renaming for consistency, while we're at it.

SGI-PV: 970335
SGI-Modid: xfs-linux-melb:xfs-kern:29650a

Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c
index 673b405..a02b944 100644
--- a/fs/xfs/xfs_utils.c
+++ b/fs/xfs/xfs_utils.c
@@ -73,7 +73,7 @@
 {
 	int		error;
 
-	vn_trace_entry(dp, __FUNCTION__, (inst_t *)__return_address);
+	xfs_itrace_entry(dp);
 
 	error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum);
 	if (!error) {